Problems

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Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
0-1 Sequences 2447 417 17% 0.01 533 304 57% 6.7
10 Kinds of People 3735 798 21% 0.01 682 457 67% 5.3
2048 3441 1715 50% 0.00 1660 1414 85% 2.5
3D Printed Statues 1504 740 49% 0.00 673 607 90% 2.0
3D Printer 172 40 23% 0.00 60 31 52% 7.3
3-Sided Dice 924 67 7% 0.00 159 53 33% 8.8
4 thought 2918 999 34% 0.00 1017 841 83% 2.9
A1 Paper 1954 610 31% 0.00 598 470 79% 3.8
Aaah! 10889 5343 49% 0.00 4645 4334 93% 1.5
Abandoned Animal 153 40 26% 0.05 49 37 76% 5.1
ABC 2815 1323 47% 0.00 1260 1151 91% 1.6
Above Average 207 106 51% 0.00 104 96 92% 2.1
A+B Problem 2592 258 10% 0.06 416 142 34% 8.5
A Brief Gerrymander 57 15 26% 0.23 13 7 54% 7.2
Abstract Art 104 15 14% 0.01 18 11 61% 6.9
Absurdistan Roads II 440 153 35% 0.00 146 97 66% 6.9
Absurdistan Roads III 954 246 26% 0.04 235 171 73% 6.0
A Classy Problem 2910 784 27% 0.02 738 580 79% 4.4
ACM Contest Scoring 2840 1779 63% 0.00 1596 1508 94% 1.5
Adding Words 3498 750 21% 0.00 848 611 72% 4.2
A Different List Game 4149 285 7% 0.00 488 91 19% 9.1
A Different Problem 12816 5192 41% 0.00 4816 4176 87% 2.2
Adjoin the Networks 1015 269 27% 0.00 230 174 76% 6.1
Administrative Difficulties 391 102 26% 0.04 113 78 69% 5.0
Adventures in Moving -- Part IV 490 155 32% 0.00 142 120 85% 5.0
A Favourable Ending 705 140 20% 0.01 164 106 65% 5.0
A Feast For Cats 630 210 33% 0.56 167 138 83% 4.5
Air Conditioned Minions 1901 525 28% 0.00 568 424 75% 4.1
Airline Hub 1113 213 19% 0.01 213 126 59% 6.2
Airport Coffee 468 89 19% 0.12 80 61 76% 6.3
Airport Construction 1873 227 12% 0.04 177 97 55% 6.9
Airport Logistics 41 8 20% 0.00 13 8 62% 7.8
Airports 151 50 33% 0.22 47 32 68% 7.0
Akcija 1909 849 44% 0.01 793 698 88% 2.0
Aladin 603 52 9% 0.17 91 15 16% 8.7
Alchemy 32 9 28% 0.03 18 9 50% 7.6
Alea iacta est 22 11 50% 0.47 11 10 91% 5.3
Alien Numbers 1104 552 50% 0.00 537 490 91% 1.9
A List Game 3983 1153 29% 0.00 1094 905 83% 3.1
All about that base 1718 635 37% 0.00 686 564 82% 2.9
All Different Directions 354 176 50% 0.00 177 155 88% 2.6
Allergy Test 220 72 33% 0.00 55 30 55% 7.9
All Friends 488 98 20% 0.01 77 45 58% 8.6
All Just A Dream 757 186 25% 0.07 121 90 74% 5.3
All Pairs Shortest Path 2779 520 19% 0.03 362 236 65% 6.4
Almost Perfect 2384 577 24% 0.00 624 483 77% 3.4
Almost Union-Find 3082 425 14% 0.03 499 239 48% 7.3
Alphabet Spam 3153 2035 65% 0.00 1416 1358 96% 1.4
Alternative Bracket Notation 159 68 43% 0.00 71 61 86% 5.3
Amalgamated Artichokes 2363 1027 43% 0.01 917 804 88% 2.6
Amanda Lounges 916 222 24% 0.07 206 149 72% 6.2
A Mazing! 449 85 19% 0.20 73 56 77% 6.1
Amazing Race 224 61 27% 0.54 65 47 72% 7.3
Ambiguous Result 106 33 31% 0.04 42 31 74% 6.4
Amsterdam Distance 402 93 23% 0.00 146 91 62% 3.7
Anagram Counting 1422 543 38% 0.00 548 446 81% 3.1
Andrew the Ant 77 25 32% 0.09 35 23 66% 7.2
Androids 269 94 35% 0.09 113 77 68% 5.6
A New Alphabet 5417 2486 46% 0.00 2355 2196 93% 1.6
Animal Classification 1025 196 19% 0.04 200 125 62% 7.0
An Industrial Spy 871 465 53% 0.02 369 321 87% 3.2
Another Brick in the Wall 993 536 54% 0.00 536 484 90% 2.0
Another Candies 3598 994 28% 0.00 1050 855 81% 2.9
Another Dice Game 58 41 71% 0.00 37 35 95% 3.5
Another Query on Array Problem 585 69 12% 0.08 131 58 44% 6.4
Anthony and Cora 352 105 30% 0.01 120 84 70% 4.9
Anthony and Diablo 728 276 38% 0.00 291 264 91% 1.9
Antiarithmetic? 548 127 23% 0.18 162 105 65% 6.2
Ants 1310 528 40% 0.01 448 381 85% 2.9
Apaxiaaaaaaaaaaaans! 4617 2855 62% 0.00 2593 2488 96% 1.3
Apparatus 457 109 24% 0.01 89 65 73% 5.6
Apple Market 315 69 22% 0.19 73 33 45% 8.7
Apples, Cherries, and Mangos 252 75 30% 0.02 69 55 80% 5.9
Aquarium Tank 207 61 29% 0.00 63 48 76% 4.8
Aqueduct Construction 67 17 25% 0.01 20 15 75% 7.5
A Question of Ingestion 278 65 23% 0.00 69 50 72% 6.3
Arable Area 197 37 19% 0.05 44 25 57% 8.4
A Rational Sequence 711 274 39% 0.00 271 221 82% 4.0
A Rational Sequence 2 538 406 75% 0.00 386 373 97% 1.5
A Rational Sequence (Take 3) 241 201 83% 0.00 151 145 96% 1.7
Arbitrage? 395 92 23% 0.05 75 61 81% 4.2
Arcade! 908 170 19% 0.01 158 117 74% 5.4
Arctic Network 883 335 38% 0.01 259 219 85% 4.1
A Real Challenge 3062 1510 49% 0.00 1468 1389 95% 1.4
Area of Effect 78 8 10% 4.74 13 6 46% 8.1
Arithmetic 786 183 23% 0.00 207 146 71% 4.8
Army Strength (Easy) 1620 870 54% 0.00 742 679 92% 1.8
Army Strength (Hard) 2168 974 45% 0.01 730 626 86% 2.9
Around and Around We Go 26 11 42% 0.00 15 10 67% 7.7
Around the track 6 1 17% 0.01 2 1 50% 6.5
Around the Track 179 28 16% 0.00 43 20 47% 9.3
Arranging Hat 172 71 41% 0.08 66 58 88% 4.0
Arriving on Time 24 9 38% 0.19 11 8 73% 6.5
Artur 206 34 17% 0.15 47 27 57% 7.8
Artwork 474 175 37% 0.06 172 106 62% 6.2
A Safe Bet 151 47 31% 0.27 42 34 81% 6.0
ASCII Addition 210 117 56% 0.00 111 107 96% 1.6
ASCII Figure Rotation 973 282 29% 0.00 304 255 84% 3.6
As Easy as CAB 518 89 17% 0.00 106 73 69% 6.4
Aspen Avenue 778 273 35% 0.01 179 124 69% 6.8